all of which have done pretty well over the past four years. we're going to have the top number one today. this person over here, the mystery man, on "closing bell." we'll have also romney's biggest donors ahead on "power lunch," so stay tuned. >> that is a cruel tease, robert. i cannot believe you're going to make us wait for "closing bell" until number one. >> what's great is you're going to be surprised who that is. you'll also have a lot of surprises on the republican list. when i did this reporting, i thought i knew who those donors were, but i didn't. so got to stay tuned for later. >> another great tease. robert, good to see you. >>> billionaire boss. the surprising results of new research into the success and failure rates for venture backed start-ups. stick around to see them. >>> also retailers trying to avoid going the way of dinosaur. which stores are most likely to end up on our "squawk on the street" engaged species list. that's straight ahead. [ male announcer ] you are a business pro. monarch of marketing analysis. with the abil